Siemens SINAMICS S120 Function Manual page 217

Vdc_max control
Figure 5-16
The switch-on level for V
● When the function for automatically detecting the switch-on level is switched off
● When the function for automatically detecting the switch-on level is switched on
Drive functions
Function Manual, (FH1), 04/2014, 6SL3097-4AB00-0BP4
Switching the V
dc_max
(p1254 = 0)
r1242 = 1.15 x p0210 (device connection voltage, DC link)
(p1254 = 1)
r1242 = V - 50 V (V
dc_max
control on/off
dc_max
-control (r1242) is calculated as follows:
: Overvoltage threshold of the Motor Module)
dc_max
Vector control
5.10 Vdc control
217